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GREATER JOHNSTOWN WA RIVERSIDE

Pennsylvania — Community Water System — PWSID: PA4110034

System Information

PWSIDPA4110034
System NameGREATER JOHNSTOWN WA RIVERSIDE
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region03
Serves SchoolNo
WholesalerNo
First ReportedFeb 12, 1979
Last ReportedDec 17, 2025

Location & Contact

StatePennsylvania
CityJOHNSTOWN
ZIP Code15907
AddressPO BOX 1407
OrganizationGREATER JOHNSTOWN WA RIVERSIDE
Phone814-533-4300

Population & Service

Population Served49,500
Service Connections21,902

Drinking Water Violations (186)

This water system has 186 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Sep 1, 2025 Sep 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2025 Sep 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2025 Sep 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2024 Apr 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2024 Apr 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2024 Dec 31, 2024 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Nickel MR No Yes — — — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Nickel MR No Yes — — — Resolved Dec 31, 2024 Inorganic Chemicals
Nov 1, 2023 Nov 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Nov 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Nov 30, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Nov 30, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2023 Surface Water Treatment Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Nov 1, 2023 Nov 30, 2023 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2023 Surface Water Treatment Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Revised Total Coliform Rule MON No No — — — Resolved Oct 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Oct 31, 2023 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2023 Surface Water Treatment Rule
Oct 1, 2023 Oct 31, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Oct 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Oct 31, 2023 Chlorine MR No No — 4.0 mg/L — Resolved Oct 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Oct 31, 2023 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2023 Surface Water Treatment Rule
Jan 1, 2023 Dec 31, 2023 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No No — 0.003 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Atrazine MR No No — 0.003 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No No — 0.1 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No No — 0.1 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No No — 0.1 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Endothall MR No No — 0.1 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Toxaphene MR No No — 0.003 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals
Jan 1, 2023 Dec 31, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Dec 8, 2023 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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